“What happened to the person I married?” “Where did that person go?” “I want that person back.” This is not the person I thought I was marrying.” “This isn’t the spouse I wanted!”
Most people who have been married for any length of time have thought these things, even if they weren’t brave enough to say them out loud. It’s like you’re the victim of a bait and switch. You thought you were getting one person and instead you got another.